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Individual Calculations January 2009 |
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| Purenne, Benoit Total change: 12.30 | |   |
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| European Youth Chess Championship 2008 - Boys U12 | Herceg Novi | MNE | 2008-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 1889 | 3.50 | 7 | 1.30 | 15 | 19.50 | |
|  Oparin, Grigoriy | c | | 2107 | RUS | 0.50 | 1 | 0.28 | 15 | 4.20 | |  Monev, Alexander | | | 2087 | BUL | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Shurunov, Arseny | f | | 2127 | RUS | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Tvarijonas, Tomas | | | 1843 | LTU | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Babazade, Javidan | | | 2018 | AZE | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Matsenko, Andrei | | | 1953 | RUS | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Alekseenko, Kirill | f | | 2090 | RUS | 1.00 | 1 | 0.76 | 15 | 11.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | World Youth Chess Championships 2008 - Open 12 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1868 | 0.50 | 3 | -0.48 | 15 | -7.20 | |
| | Cheng, Bobby | | | 2088 | NZL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Aripov, Iskandar | | | 1951 | UZB | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Mirzaei, Saleh | | | 1962 | IRI | 0.00 | 1 | -0.37 | 15 | -5.55 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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